package com.ctrip.framework.apollo.adminservice.controller;

import com.ctrip.framework.apollo.biz.config.BizConfig;
import com.ctrip.framework.apollo.biz.entity.Namespace;
import com.ctrip.framework.apollo.biz.entity.NamespaceLock;
import com.ctrip.framework.apollo.biz.service.NamespaceLockService;
import com.ctrip.framework.apollo.biz.service.NamespaceService;
import com.ctrip.framework.apollo.common.dto.NamespaceLockDTO;
import com.ctrip.framework.apollo.common.exception.BadRequestException;
import com.ctrip.framework.apollo.common.utils.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class NamespaceLockController {

    @Autowired
    private NamespaceLockService namespaceLockService;
    @Autowired
    private NamespaceService namespaceService;
    @Autowired
    private BizConfig bizConfig;

    @RequestMapping(value = "/apps/{appId}/clusters/{clusterName}/namespaces/{namespaceName}/lock", method = RequestMethod.GET)
    public NamespaceLockDTO getNamespaceLockOwner(@PathVariable String appId, @PathVariable String clusterName,
                                                  @PathVariable String namespaceName) {
        Namespace namespace = namespaceService.findOne(appId, clusterName, namespaceName);
        if (namespace == null) {
            throw new BadRequestException("namespace not exist.");
        }

        if (bizConfig.isNamespaceLockSwitchOff()) {
            return null;
        }

        NamespaceLock lock = namespaceLockService.findLock(namespace.getId());

        if (lock == null) {
            return null;
        }

        return BeanUtils.transfrom(NamespaceLockDTO.class, lock);
    }

}
